bundles/org.simantics.databoard/src/org/simantics/databoard/channel/ServiceException.java

   1 package org.simantics.databoard.channel;
   2
   3 import org.simantics.databoard.adapter.AdaptException;
   4 import org.simantics.databoard.binding.Binding;
   5 import org.simantics.databoard.binding.error.BindingException;
   6 import org.simantics.databoard.binding.mutable.Variant;
   7
   8 /**
   9  * Service exception is a problem in processing the service request.
  10  * It is produces by Service Handler. Service Exception is not a communication
  11  * error.
  12  *
  13  * @author Toni Kalajainen <toni.kalajainen@iki.fi>
  14  */
  15 public abstract class ServiceException extends Exception {
  16
  17         private static final long serialVersionUID = 1L;
  18
  19         Variant error;
  20
  21         public ServiceException(Variant error) {
  22                 this.error = error;
  23         }
  24
  25         public ServiceException(Binding binding, Object value) {
  26                 error = new Variant(binding, value);
  27         }
  28
  29         public Variant getError() {
  30                 return error;
  31         }
  32
  33         public Object getErrorType() {
  34                 return error.type();
  35         }
  36
  37         public Object getError(Binding binding) throws BindingException {
  38                 try {
  39                         return error.getValue(binding);
  40                 } catch (AdaptException e) {
  41                         if (e.getCause()!=null && e.getCause() instanceof BindingException) throw (BindingException) e.getCause();
  42                         throw new BindingException(e);
  43                 }
  44         }
  45
  46 }